Tuning capacitors may have their capacitance changed by mechanical motion. Generally two versions has to be distinguished
Variable capacitor – variable capacitor for intentionally and repeatedly tuning an oscillator circuit in a radio or another tuned circuit.
Trimmer capacitor – small variable capacitor usually for one-time oscillator circuit internal adjustment
Variable capacitors include capacitors that use a mechanical construction to change the distance between the plates, or the amount of plate surface area which overlaps. They mostly use air as dielectric medium.
Trimmer capacitors are variable capacitors which serve the purpose of initial calibration of equipment during manufacturing or servicing. They are not intended for end-user interaction. Trimmer capacitors are mostly mounted directly on the PCB (Printed Circuit Board), so the user does not have access to them, and set during manufacturing using a small screwdriver. Due to their nature, trimmer capacitors are cheaper than full sized variable capacitors and rated for many fewer adjustments.
Trimmer capacitors are used to initially set oscillator frequency values, latencies, rise and fall times and other variables in a circuit. Should the values drift over time, these trimmer capacitors allow repairmen to re-calibrate equipment when needed. There are two types of trimmer capacitors: air trimmer capacitor and ceramic trimmer capacitor. These two types use different materials as the dielectric. Both types use rotating action to change the capacitance value. The construction of trimmer capacitors is similar to the construction of their larger variant, the variable capacitor. Trimmer capacitors can be made of semi-circular metal plates. One is fixed, while the other can be rotated using a screwdriver.

Murata, Vishay and Voltronics Corporation captured the top three revenue share spots in the Trimmers/Variable Capacitors market in 2015. Murata dominated with 53.62 percent revenue share, followed by Vishay with 10.89 percent revenue share and Voltronics Corporation with 7.81 percent revenue share.
Despite the presence of competition problems, due to the clear global recovery trend, investors are still optimistic about this area, in future still more new investment will enter into the field. Technology and cost are two major problems.
Although sales of Trimmers/Variable Capacitors brought a lot of opportunities, for the new entrants with only advantage in capital but without sufficient support in technology and downstream channels, the research group does not recommend taking risk of entering this market.

The Global Trimmers Variable Capacitors Market was valued at xxx million USD with a CAGR xx% from 2018-2022. Subsequently, it will touch xxx million USD in 2023 with a CAGR xx % from 2023 - 2030.

In the global Trimmers Variable Capacitors Market, This report focuses particularly in North America, South America, Europe and Asia-Pacific, and Middle East and Africa. This report classifies the Market on the basis of application, type, regions, and manufactures.

In Market segmentation by manufacturers, the report covers the following companies-

Vishay
Murata
Voltronics Corporation
Tusonix
COMET
Johanson
Sprague goodman
NEWCONT
Best
Fu Shan Electronics
NTSDDZ
Jennings

In Market segmentation by geographical regions, the report has analysed the following regions-
North America (USA, Canada and Mexico)
Europe (Germany, France, UK, Russia and Italy)
Asia-Pacific (China, Japan, Korea, India and Southeast Asia)
South America (Brazil, Argentina, Columbia etc.)
Middle East and Africa (Saudi Arabia, UAE, Egypt, Nigeria and South Africa)

In Market segmentation by types :

Air gap variable capacitors
Vacuum variable capacitors
SF6 gas filled variable capacitor
Air gap trimmer capacitors
Ceramic trimmer capacitors
Others
In Market segmentation by applications :

Electronic components
Medical devices
Communication equipment
Other Application

The research provides answers to the following key questions:
• What is the estimated growth rate and Market share and size of the Trimmers Variable Capacitors Market for the forecast period 2023 - 2030?
• What are the driving forces in the Trimmers Variable Capacitors Market for the forecast period 2023 - 2030?
• Who are the prominent Market players and how have they gained a competitive edge over other competitors?
• What are the Market trends influencing the progress of the Trimmers Variable Capacitors industry worldwide?
• What are the major challenges and threats restricting the progress of the industry?
• What opportunities does the Market hold for the prominent Market players?
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